Sebastian's Sister (A Black Butler Ciel Phantomhive Love Story)

Sebastian Michaelis is butler to the young Earl Ciel Phantomhive. Many know nothing of his past but when a certain girl shows up, things will be revealed at the Phantomhive manor. The only problem is when Ciel starts to fall for this mysterious girl and she starts to fall for him. This forbidden love will quickly change everyone's lives in more ways than one.